Relier Pairs dolphins parts of bodyVersion en ligne 11th grade dolphins par lyubanya9288 1 peduncle 2 blowhole 3 pectoral fins 4 melon 5 dorsal fin 6 fluke 7 ear 8 rostrum a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom the two fins located on the sides of a fish (or marine mammal) a term used in anatomy for several kinds of hard, beak-like structures projecting out from the head or mouth of an animal the powerhouse of the body, located between the dorsal fin and tail flukes one of the two parts that a dolphin's tail is divided into a structure located in the forehead of dolphins that is thought to play a key role in their echolocation abilities the organ that enables hearing and (in mammals) body balance using the vestibular system the hole through which a dolphin breathes